1.

A reactor has two feed streams with the ratio of their rate as 1:9 and has O₂ and O₃ with the mass fraction of 0.6 and 0.4 in stream 1 and 0.2 and 0.8 in stream 2, what is the mass fraction of O₂ in the product side?

A. 0.24
B. 0.48
C. 0.72
D. 0.96
Answer» B. 0.48


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